I wrote a code that request an AuthToken from the account manager, using the getAuthToken(). On the first time - the user needs to \"Allow\" the authentication, but later on the
You might need to do a full uninstall/reinstall to in effect revoke it. Also, if you are using a specific sharedUserId, you can change the sharedUserId after you uninstall so it looks like a different account. Finally, you can sign it with a different cert. That's what I've been able to get away with, but a clean API to revoke (or even just an Activity) would be nice.